refactor: fixed the problem that the scroll component could not remember the height

src/utils/hooks/useBase.ts

@@ -1,13 +0,0 @@
-import { onActivated, onDeactivated } from 'vue'
-
-export function useBase() {
-  const mainScroll = $ref()
-  const mainScrollTop = $ref(0)
-  onActivated(() => {
-    console.log('onActivated')
-  })
-
-  onDeactivated(() => {
-    console.log('onDeactivated')
-  })
-}

src/utils/hooks/useScroll.ts

@@ -0,0 +1,17 @@
+import { onActivated, onDeactivated, ref } from 'vue'
+
+export function useScroll() {
+  const mainScroll = ref()
+  let mainScrollTop = $ref(0)
+  onActivated(() => {
+    if (mainScroll.value && mainScroll.value.wrapper) {
+      mainScroll.value.wrapper.scrollTop = mainScrollTop
+    }
+  })
+  onDeactivated(() => {
+    if (mainScroll.value && mainScroll.value.wrapper) {
+      mainScrollTop = mainScroll.value.wrapper.scrollTop
+    }
+  })
+  return mainScroll
+}